WO2001037102A2 - Modele de face arriere de bus vme virtuel tolerant aux pannes - Google Patents
Modele de face arriere de bus vme virtuel tolerant aux pannes Download PDFInfo
- Publication number
- WO2001037102A2 WO2001037102A2 PCT/US2000/031405 US0031405W WO0137102A2 WO 2001037102 A2 WO2001037102 A2 WO 2001037102A2 US 0031405 W US0031405 W US 0031405W WO 0137102 A2 WO0137102 A2 WO 0137102A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vmebus
- backplane
- vmebus backplane
- bridge
- fault
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/409—Mechanical coupling
Definitions
- the invention relates to Versa Module Eurocards (VME) backplanes
- VME-based technology for future system designs.
- VME backplane technology has problems in certain
- VME backplane is very susceptible to single point failures.
- a device manufactured by CES including a 10MB/s VME-to-VMEbus
- this system does not provide a direct connected system with fault-tolerant capability. Both sides must be capable of acting as
- both sides must be capable of acting as independent systems as well as one virtual system.
- SBS Bit 3's Model 418 and 418-50 are high-performance repeaters for VMEbus systems.
- a SBS Bit 3 repeater extends a VMEbus backplane from one chassis to a second VMEbus chassis. Both chassis
- the primary chassis can operate as a stand-alone system; it does
- the secondary chassis does not have a system controller; consequently, it cannot operate without the primary
- Multimaster which allows multiple VMEbus masters in all chassis software. In the transparent mode the system allows direct communication from primary chassis to secondary chassis with no software overhead
- window in one chassis can be mapped to any window in the other chassis (e.g., extended supervisory to short nonprivileged).
- Window sizes are jumper selected from 256 byte to 16 Mbyte (power of two sizes, i.e., 256,
- the product is compliant to VMEbus Rev. C.1 and supports 8-, 16-, and 32-bit Transfers (bidirectional), supports 16-, 24-, and
- 32-bit addressing (bidirectional), has two boards and two cables (in a variety of cable lengths), form a VME-to-VME link with automatic detection of
- remote chassis power up and supports multiple links to the same chassis.
- the system repeats DO to D31 , A1 to A23, LWORD*, AS * , DSO*, DS1 * .
- AMO to AM5, DTACK*, and BERR * The problems with this device are it does not provide a direct connected system with fault-tolerant capability and both
- VMEbus bridge operates as one VMEbus backplane.
- a preferred fault tolerant virtual VMEbus backplane for computer systems comprise at least two VMEbus backplanes, each VMEbus backplane comprising a power supply and a fault detection apparatus and at
- each bridge module comprising a switch for connecting and disconnecting each of the VMEbus backplanes.
- VMEbus backplanes comprise a monolithic structure.
- the preferred fault detection apparatus comprises a fail discrete in each bridge module.
- the fault detection apparatus can also comprise fail discretes in preselected modules connected to each VMEbus backplane.
- detection apparatus preferably comprises a fault detection apparatus in
- each VMEbus backplane and a transmitter for transmitting the fault signal to a next VMEbus backplane comprise module fail discretes and VMEbus backplane communication tests.
- the preferred VMEbus backplane communication tests comprise a data transfer bus test, an arbitration bus
- the bridge modules preferably comprise a structure to connect the VMEbus backplanes to appear as a single VMEbus backplane.
- the structure to connect the VMEbus backplanes to appear as a single VMEbus backplane comprises direct connections between the at least two VMEbus backplanes.
- the preferred apparatus further comprises structure to minimize data transmission latency
- two VMEbus backplanes comprises a direct connection between the at least two VMEbus backplanes.
- a first computer system comprising a first VMEbus
- backplane comprises the steps of detecting a fault status in the first and the next computer system, transmitting the fault status to the other computer system, connecting the first VMEbus backplane to the next VMEbus
- the method further comprises the step of minimizing data transmission latency delays between the first computer system and the next computer system.
- backplane is connected to a primary bridge and the second VMEbus
- the step of testing the first VMEbus backplane and the second VMEbus backplane for faults comprises testing in the primary bridge and the secondary bridge.
- backplane further comprises the step of configuring the first VMEbus backplane as a system controller and configuring the second VMEbus as a non-system controller.
- the step of connecting the first VMEbus backplane to the secondary VMEbus backplane comprises connecting the first VMEbus
- the secondary VMEbus backplane with one-for-one connections comprises connecting the first VMEbus backplane to the secondary VMEbus backplane
- the preferred step of isolating the first VMEbus backplane from the secondary VMEbus backplane and operating in a degraded mode further comprises making the second
- VMEbus backplane the system controller if the fault signal is transmitted by the primary bridge.
- the secondary VMEbus backplane and isolating the first VMEbus backplane from the secondary VMEbus backplane comprise decision making logic resident in the primary bridge and the secondary bridge.
- An object of the present invention is to provide a fault tolerant capability for a VME backplane.
- Another object of the present invention is to provide a virtual bridge connection between two VME backplanes.
- Yet another object of the present invention is to provide a fault
- One advantage of the present invention is that it is transparent to the user and operates like a single VMEbus backplane.
- Another advantage of the present invention is that it provides low latency high bandwidth data transfers.
- Another advantage of the present invention is its versatility in that the system can be configured in a variety of ways.
- Fig. 1 is a block diagram of the top level of the fault-tolerant
- Fig. 2 is a drawing of the top backplane board outline in accordance
- Fig. 3 is a drawing of the bottom backplane board outline in
- Fig. 4 is a block diagram of the bridge module in accordance with the
- Fig. 5 (5A-5C) are flow charts showing the bridge switch control logic with
- FIG. 5A showing the initialization and power up test in accordance with the present invention
- FIG. 5B showing the backplane interconnect logic in accordance with the present invention.
- FIG. 5C showing the fault processing in accordance with the present invention
- Fig. 6 is a diagram of the data transfer bus interconnect in accordance with the present invention.
- Fig. 7 is a diagram of the arbitration bus interconnect in accordance with the present invention.
- Fig. 8 is a diagram of the priority interrupt bus interconnect in accordance with the present invention.
- the fault-tolerant VMEbus backplane includes two or more independent backplanes that are electrically connected by bridge module(s) between each backplane.
- the system includes two
- VMEbus backplanes 10 and 14 independent VMEbus backplanes 10 and 14.
- backplane 10 is represented on the bottom of the diagram while the
- backplane contains a bridge module for interconnecting the VMEbus
- Primary backplane 10 contains primary bridge module 12.
- Primary bridge module 12 is physically and electrically connected to primary
- Secondary backplane 14 contains a functionally identical
- Secondary bridge module 16 is physically and
- Interconnect bus 18 can be directly
- the bridge modules 12 and 16 for each VMEbus backplane reside in slot 1
- VMEbus backplanes 10 or 14 are the system
- VMEbus backplane per the VMEbus backplane specification (American National Standard for VME64 ANSI/VITA 1-1994).
- the physical design for the fault-tolerant virtual bus backplane can be either a monolithic design in which both VMEbusses as well as the
- interconnect bus are located on one PWB substrate or can be physically separate backplanes with an interconnect harness between them (not shown).
- interconnect harness between them
- Fig. 2 shows the top view
- Fig. 3 shows the bottom of a 14-slot monolithic backplane design.
- the maximum number of allowable slots is limited to 21 -slots per the VME standard.
- Bridge modules 12 and 16 provide the logic and/or control for
- interconnect bus 18 A detailed block diagram of the preferred bridge
- Local bridge busses 30 and 32 provide a means of
- each bridge module 12 and 16 contain all the necessary
- the fail/ready discretes 26 also provide a means to communicate fault conditions in event of a bus failure.
- FIGS. 5A, 5B, and 5C illustrate the logic used for initialization, test, and backplane interconnect.
- bridge module is responsible for directing system initialization 36 at a backplane level (individual modules are responsible for their own
- power-up self-test 38 of the system including backplane read/write tests 40, bus arbitration test 42,
- each bridge 12 and 16 will set their
- the bridge in backplane 12 is capable of re-configuring from system
- secondary bridge 100 will reconfigure as a non-
- VMEbusses remain isolated and the system enters a degraded mode of operation 108.
- Primary bridge 12 enters degraded mode of operation 108.
- the VMEbus includes three different busses, as shown in Fig. 4; data transfer bus 48, arbitration bus 50, and priority interrupt bus 52.
- modules 12 and 16 are responsible for interconnecting each one of these modules
- Fig. 6 shows how the data transfer
- bus is a direct one-for-one connection between primary backplane 10 local
- control signals 84 and 90 are directly coupled between the two (or more)
- bridge modules 12 and 16 can be backplanes via interconnect bus 18 located on bridge modules 12 and 16. In the event of a fault, either one or both of bridge modules 12 and 16 can be
- backplanes can operate independently or as one virtual backplane depending on the configuration of the bridge modules by the end-user.
- Fig. 7 is a diagram of the arbitration bus interconnect.
- arbitration bus is a combination daisy-chained 53 and bussed signals bus 54, 56, and 58.
- the arbitration bus is responsible for arbitrating the control of the
- bus mastership data transfer bus (bus mastership) in a multiple master system as defined in
- BCLR * bus clear
- BSSY * bus busy
- backplane 10 be wrapped around and routed over to the bridge module 16
- backplane 14 (or #n) are in a non-system controller mode when the
- bridge module 16 in this mode, bridge module 16 in
- bridge module in primary backplane 10 signals 54, 56, 58, and 64
- Fig. 8 shows a diagram of how the priority interrupt bus is
- bus is also a daisy-chained/bussed signal bus 66, similar to the arbitration bus.
- IACK_OUT 68 must be wrapped around from the last module in primary
- interrupts 1 -7 (IRQ1 * -IRQ7 * ) 72 and interrupt acknowledge
- (IACK * ) 74 are direct one-for-one connection between primary backplane 10
- VMEbus interconnect bus
- secondary backplane 14 VMEbus secondary backplane
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Hardware Redundancy (AREA)
- Fireproofing Substances (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Bus Control (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Insulated Conductors (AREA)
- Debugging And Monitoring (AREA)
Abstract
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00977230A EP1232440B1 (fr) | 1999-11-18 | 2000-11-15 | Modele de face arriere de bus vme virtuel tolerant aux pannes |
NZ519577A NZ519577A (en) | 1999-11-18 | 2000-11-15 | Fault tolerant virtual VMEbus backplane design between two independently capable VMEbuses |
KR1020027006389A KR20020053086A (ko) | 1999-11-18 | 2000-11-15 | 고장허용 가상 vme버스 백플래인 |
AT00977230T ATE261144T1 (de) | 1999-11-18 | 2000-11-15 | Fehlertolerante virtuelle rückwand für vmebus |
DK00977230T DK1232440T3 (da) | 1999-11-18 | 2000-11-15 | Fejltolerant virtuel bundkortudformning til VMEbus |
IL14973000A IL149730A0 (en) | 1999-11-18 | 2000-11-15 | FAULT TOLERANT VIRTUAL VMEbus BACKPLANE DESIGN |
AU14899/01A AU768503B2 (en) | 1999-11-18 | 2000-11-15 | Fault tolerant virtual VMEbus backplane design |
CA002392108A CA2392108A1 (fr) | 1999-11-18 | 2000-11-15 | Modele de face arriere de bus vme virtuel tolerant aux pannes |
DE60008785T DE60008785T2 (de) | 1999-11-18 | 2000-11-15 | Fehlertolerante virtuelle rückwand für vmebus |
JP2001539127A JP2003515220A (ja) | 1999-11-18 | 2000-11-15 | フォールト・トレラント仮想VMEbusバックプレーン設計 |
IL149730A IL149730A (en) | 1999-11-18 | 2002-05-19 | VMEbus Virtual Screen Background Design is flawless |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/442,702 | 1999-11-18 | ||
US09/442,702 US6564340B1 (en) | 1999-11-18 | 1999-11-18 | Fault tolerant virtual VMEbus backplane design |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001037102A2 true WO2001037102A2 (fr) | 2001-05-25 |
WO2001037102A3 WO2001037102A3 (fr) | 2001-12-13 |
Family
ID=23757806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/031405 WO2001037102A2 (fr) | 1999-11-18 | 2000-11-15 | Modele de face arriere de bus vme virtuel tolerant aux pannes |
Country Status (14)
Country | Link |
---|---|
US (1) | US6564340B1 (fr) |
EP (1) | EP1232440B1 (fr) |
JP (1) | JP2003515220A (fr) |
KR (1) | KR20020053086A (fr) |
AT (1) | ATE261144T1 (fr) |
AU (1) | AU768503B2 (fr) |
CA (1) | CA2392108A1 (fr) |
DE (1) | DE60008785T2 (fr) |
DK (1) | DK1232440T3 (fr) |
ES (1) | ES2215753T3 (fr) |
IL (2) | IL149730A0 (fr) |
NZ (1) | NZ519577A (fr) |
TW (1) | TW486627B (fr) |
WO (1) | WO2001037102A2 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6633996B1 (en) * | 2000-04-13 | 2003-10-14 | Stratus Technologies Bermuda Ltd. | Fault-tolerant maintenance bus architecture |
US6708283B1 (en) | 2000-04-13 | 2004-03-16 | Stratus Technologies, Bermuda Ltd. | System and method for operating a system with redundant peripheral bus controllers |
US6874052B1 (en) * | 2000-09-29 | 2005-03-29 | Lucent Technologies Inc. | Expansion bridge apparatus and method for an I2C bus |
US7467179B2 (en) * | 2002-05-24 | 2008-12-16 | Radisys Canada Inc. | Backplane architecture for a data server |
US20050246474A1 (en) * | 2004-04-29 | 2005-11-03 | Wolfe Sarah M | Monolithic VMEbus backplane having VME bridge module |
US20050246476A1 (en) * | 2004-04-29 | 2005-11-03 | Wolfe Sarah M | Method and apparatus of regenerating data signal in monolithic VMEbus backplane |
US6996643B2 (en) * | 2004-04-29 | 2006-02-07 | Motorola, Inc. | Method of VME module transfer speed auto-negotiation |
US20070136631A1 (en) * | 2005-11-19 | 2007-06-14 | Govani Atul V | Method and system for testing backplanes utilizing a boundary scan protocol |
US10291415B2 (en) * | 2014-05-20 | 2019-05-14 | Bosch Automotive Service Solutions Inc. | Embedded extensible instrumentation bus |
KR20160011427A (ko) | 2014-07-22 | 2016-02-01 | 대우조선해양 주식회사 | 고장탐지가 가능한 시스템 레셋 독립 원격 제어용 산업용 버스 백플레인 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997032252A1 (fr) * | 1996-02-27 | 1997-09-04 | Data General Corporation | Systeme de pile de disques dynamiquement extensible et systeme associe de multiplexage de signaux orthogonaux |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3206006B2 (ja) * | 1991-01-25 | 2001-09-04 | 株式会社日立製作所 | 二重化バス制御方法及び装置 |
KR100244836B1 (ko) * | 1995-11-02 | 2000-02-15 | 포만 제프리 엘 | 컴퓨터시스템 및 다수의 기능카드 중 한개의 기능카드를 격리하는 방법 |
US6076142A (en) * | 1996-03-15 | 2000-06-13 | Ampex Corporation | User configurable raid system with multiple data bus segments and removable electrical bridges |
US6052753A (en) * | 1997-01-21 | 2000-04-18 | Alliedsignal Inc. | Fault tolerant data bus |
-
1999
- 1999-11-18 US US09/442,702 patent/US6564340B1/en not_active Expired - Lifetime
-
2000
- 2000-11-15 JP JP2001539127A patent/JP2003515220A/ja not_active Withdrawn
- 2000-11-15 KR KR1020027006389A patent/KR20020053086A/ko not_active Application Discontinuation
- 2000-11-15 CA CA002392108A patent/CA2392108A1/fr not_active Abandoned
- 2000-11-15 IL IL14973000A patent/IL149730A0/xx active IP Right Grant
- 2000-11-15 ES ES00977230T patent/ES2215753T3/es not_active Expired - Lifetime
- 2000-11-15 DK DK00977230T patent/DK1232440T3/da active
- 2000-11-15 AT AT00977230T patent/ATE261144T1/de not_active IP Right Cessation
- 2000-11-15 EP EP00977230A patent/EP1232440B1/fr not_active Expired - Lifetime
- 2000-11-15 DE DE60008785T patent/DE60008785T2/de not_active Expired - Lifetime
- 2000-11-15 AU AU14899/01A patent/AU768503B2/en not_active Ceased
- 2000-11-15 WO PCT/US2000/031405 patent/WO2001037102A2/fr active IP Right Grant
- 2000-11-15 NZ NZ519577A patent/NZ519577A/en unknown
- 2000-11-17 TW TW089124407A patent/TW486627B/zh not_active IP Right Cessation
-
2002
- 2002-05-19 IL IL149730A patent/IL149730A/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997032252A1 (fr) * | 1996-02-27 | 1997-09-04 | Data General Corporation | Systeme de pile de disques dynamiquement extensible et systeme associe de multiplexage de signaux orthogonaux |
Non-Patent Citations (1)
Title |
---|
H. STRASS: "Verteilte Rechenaufgaben" ELEKTONIK, June 1999 (1999-06), pages 96-100, XP000902687 * |
Also Published As
Publication number | Publication date |
---|---|
ATE261144T1 (de) | 2004-03-15 |
DE60008785T2 (de) | 2005-01-20 |
CA2392108A1 (fr) | 2001-05-25 |
AU768503B2 (en) | 2003-12-11 |
ES2215753T3 (es) | 2004-10-16 |
AU1489901A (en) | 2001-05-30 |
IL149730A (en) | 2007-06-03 |
KR20020053086A (ko) | 2002-07-04 |
WO2001037102A3 (fr) | 2001-12-13 |
US6564340B1 (en) | 2003-05-13 |
NZ519577A (en) | 2004-05-28 |
EP1232440A2 (fr) | 2002-08-21 |
TW486627B (en) | 2002-05-11 |
JP2003515220A (ja) | 2003-04-22 |
DK1232440T3 (da) | 2004-06-01 |
DE60008785D1 (de) | 2004-04-08 |
IL149730A0 (en) | 2002-11-10 |
EP1232440B1 (fr) | 2004-03-03 |
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